They probably mean the language language Perll, which stands for: Practical Extraction, Reporting and Listing Language.
Funny to see that their creativity is limited to generating lists of useless stuff ...

Well, (a) I'm not saying the stuff they're listing is useless, and (b) reporting and listing are synonymous here, and (c) that apocryphal acronymic expansion touches only the tip of the iceberg of what perl is capable of.
(Not that I'm trying to be argumentative...)